Photography and optical equipment – Ophthalmic article
Patent
1990-06-26
1992-09-15
Ansher, Bernard
Photography and optical equipment
Ophthalmic article
Patent
active
D03294439
REFERENCES:
patent: D143113 (1945-12-01), Barrett
patent: D168936 (1953-03-01), Hill
patent: D201050 (1965-05-01), Gieseking
patent: D290710 (1987-07-01), Aliberti
patent: 4877320 (1989-10-01), Holden
patent: 4938582 (1990-07-01), Leslie
patent: 5015086 (1991-05-01), Okalie
Optician Jan. 5, 1973 p. 19 #3 (Spectacles Digest).
Ansher Bernard
Barkai R.
Gernstein Terry M.
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